package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (setmeal_id,dish_id,name,user_id,dish_flavor,number,amount,image,create_time)" +
            " values (#{setmealId},#{dishId},#{name},#{userId},#{dishFlavor},#{number},#{amount},#{image},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

   /* *
     * 动态条件删除
     * @param cart
    void deleteOne(ShoppingCart cart);*/

    /**
     * 根据主键id删除
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);
}
